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Old Jul 20, 2009 | 04:13 PM
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Default 350z power transistor

hi
Does the 350Z have an external ignitor or a power transistor, where can i find it plz?

or is it direct signal from the ECU to the coils ?

thanks
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Old Jul 20, 2009 | 04:46 PM
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The coils have the power transistor integrated - sits directly above the plugs. There is a single 12V line that feeds all 6 coils and also feeds the intake cam solenoids, and I think also the evap solenoid. There is a high frequency capacitor (condensor) in line with that wire. You can see the rectangular plastic casing on the passenger side of the plenum within the main wiring harness. This is on my 04.5 G35. (350Z is similar I presume).

It's all in the ec.pdf FSM.

Last edited by rcdash; Jul 20, 2009 at 04:51 PM.
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Old Jul 20, 2009 | 04:57 PM
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ill check on this today thanks rcdash
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Old Jul 20, 2009 | 05:47 PM
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We need update for you car plz.
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Old Jul 21, 2009 | 04:28 PM
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Originally Posted by midz350
We need update for you car plz.
engine is going to the work shop tomorrow

u know bad things allways happend so plz wait
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Old Jul 21, 2009 | 04:34 PM
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Does anyone have pictures of the condensor? I don't remember seeing the little square thing mentioned before.
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Old Jul 21, 2009 | 05:18 PM
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Originally Posted by Quamen
Does anyone have pictures of the condensor? I don't remember seeing the little square thing mentioned before.
+1. I've been all over that engine and have no idea what he is talking about.
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Old Jul 22, 2009 | 03:58 AM
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Originally Posted by failsafe306
+1. I've been all over that engine and have no idea what he is talking about.
I just opened the entire engine harness and did a wire tuck but I don't remember seeing it which is why I would like to see a picture.
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Old Jul 22, 2009 | 04:36 AM
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Originally Posted by Quamen
I just opened the entire engine harness and did a wire tuck but I don't remember seeing it which is why I would like to see a picture.
Pics of said wire tuck? (I assume you mean hiding all the factory wiring) Have thought of this myself but seems like a major PITA.
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Old Jul 22, 2009 | 04:48 AM
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Originally Posted by monk_13
Pics of said wire tuck? (I assume you mean hiding all the factory wiring) Have thought of this myself but seems like a major PITA.
https://my350z.com/forum/members/qua...33art-2-0.html

Only took me about 5 hours to complete. You can still see the wires to the cam control and the ignition coils as expected. Other than that everything is run much cleaner than factory.
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Old Jul 22, 2009 | 04:48 AM
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THe condensor is a rectangular brown box that is on the +12v wire that goes to all the coils. It is located on the passenger side right above #3 cylinder. If you havent touched your harness then it is usaully under a layer of electrical tape.

WARNING: Do not remove the condensor. Your ignition system needs this to operate properly for an extended period of time.

Last edited by meatbag; Jul 22, 2009 at 04:49 AM.
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Old Jul 22, 2009 | 05:42 AM
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Originally Posted by meatbag
THe condensor is a rectangular brown box that is on the +12v wire that goes to all the coils. It is located on the passenger side right above #3 cylinder. If you havent touched your harness then it is usaully under a layer of electrical tape.

WARNING: Do not remove the condensor. Your ignition system needs this to operate properly for an extended period of time.
Okay. Now I remember what it is. It looks like a plug of sorts. Got it.
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Old Jul 22, 2009 | 08:05 AM
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Originally Posted by Quamen
https://my350z.com/forum/members/qua...33art-2-0.html

Only took me about 5 hours to complete. You can still see the wires to the cam control and the ignition coils as expected. Other than that everything is run much cleaner than factory.
Very nice indeed sir!!!

And only 5 hours you say... hmmmmmm.

Gives me ideas!
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